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单词
area probability sampling
释义
area probability sampling
网络
区域机率抽样
网络释义
1.
区域机率抽样
(6)
区域机率抽样
(
area probability sampling
):第一阶段机率抽样 X 第二阶段机率抽样 = 总机率A. 挑出1/5 街区 X 挑出1/2家户 …
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petrochemical waste
petrochemical waste disposal
petrochemical works
petrochemist
petrochemistry
petrochina
Petrock
pet rock
petroclastic
petroclastic limestone
petroclival
petroclival meningioma
petroclival region
Petrocodon
Petrocodon dealbatus
petrocole
Petrocosmea
Petrocosmea begoniifolia
Petrocosmea cavaleriei
Petrocosmea duclouxii
Petrocosmea flaccida
Petrocosmea forrestii
Petrocosmea grandiflora
Petrocosmea longipedicellata
Petrocosmea nervosa
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更新时间:2026/10/11 17:23:28